Apple iOS up to 6.1.4 Twitter access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Apple iOS up to 6.1.4 (Smartphone Operating System). Affected by this issue is some unknown processing of the component Twitter Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, and integrity. CVE summarizes:

The Twitter subsystem in Apple iOS before 7 does not require API conformity for access to Twitter daemon interfaces, which allows attackers to post Tweets via a crafted app that sends direct requests to the daemon.

The weakness was disclosed 09/18/2013 by Jin Han, Qiang Yan, Su Mon Kywe, Tielei Wang, Kangjie Lu, Long Lu, Simon Chung and Wenke Lee as APPLE-SA-2013-09-18-2 iOS 7 as confirmed mailinglist post (Website). The advisory is shared for download at prod.lists.apple.com. The mailinglist post contains:

An access control issue existed in the Twitter subsystem. Bypassing supported APIs, sandboxed apps could make requests directly to a system daemon interfering with or controlling Twitter functionality. This issue was addressed by enforcing access controls on interfaces exposed by the Twitter daemon.
This vulnerability is handled as CVE-2013-5157 since 08/15/2013. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/25/2021). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 69984 (Apple iOS < 7 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mobile Devices.

Upgrading to version iOS 7.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (87231) and Tenable (69984). zdnet.com is providing further details. The entries 5610, 8303, 8792 and 8797 are pretty similar.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 69984
Nessus Name: Apple iOS < 7 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS iOS 7.0

Timelineinfo

08/15/2013 🔍
09/18/2013 +34 days 🔍
09/18/2013 +0 days 🔍
09/18/2013 +0 days 🔍
09/18/2013 +0 days 🔍
09/19/2013 +0 days 🔍
09/20/2013 +1 days 🔍
01/07/2014 +109 days 🔍
05/25/2021 +2695 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: APPLE-SA-2013-09-18-2 iOS 7
Researcher: Jin Han, Qiang Yan, Su Mon Kywe, Tielei Wang, Kangjie Lu, Long Lu, Simon Chung, Wenke Lee
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-5157 (🔍)
X-Force: 87231
SecurityTracker: 1029054
Vulnerability Center: 42809 - Apple iOS <7 Remote Security Bypass Vulnerability in Twitter via a Crafted Application, Medium
SecurityFocus: 62555 - Apple iPhone/iPad/iPod touch Prior to iOS 7 CVE-2013-5157 Security Bypass Vulnerability
Secunia: 54886
OSVDB: 97452

scip Labs: https://www.scip.ch/en/?labs.20150917
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/20/2013 10:34
Updated: 05/25/2021 12:53
Changes: 09/20/2013 10:34 (71), 05/19/2017 10:31 (5), 05/25/2021 12:45 (3), 05/25/2021 12:53 (2)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!